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“生土”是农田基本建设中出现的一个突出问题。这种土质硬、性凉、贫瘠,没有团粒结构,缺乏生物活性,直接影响了作物的生长发育,造成减产。据调查,生土在耕作措施跟不上时,可使当料作物减产30—50%,有的甚至没有收成。武功县皇中大队,1977年冬和1978年春新平土地226亩,在总结群众经验的基础上,采用了以生土培肥和棉花高密度栽
“Raw soil ” is a prominent issue in farmland capital construction. This soil hard, cool, barren, no aggregate structure, the lack of biological activity, a direct impact on crop growth and development, resulting in reduced production. According to the survey, when the tillage measures can not keep up, the output of the cuttings can be reduced by 30-50%, and some crops are not even harvested. Huanggong Brigade in Wugong County, 226 mu of Xin Ping land in the winter of 1977 and the spring of 1978, and based on the experiences of the masses,